superiorbiologics.com

Valid Email Server
Domain Lookup › superiorbiologics.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
superiorbiologics.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 02:49:05 UTC · ↺ Refresh

MX Hostnames

  • mx.paubox.com

MX Priorities

  • mx.paubox.com: 0

A / AAAA Records

  • 141.193.213.10
  • 141.193.213.11

Mail Server IPs

  • 165.140.171.15 ↩ mx.paubox.com
  • 165.140.171.195 ↩ mx.paubox.com
  • 165.140.171.170 ↩ mx.paubox.com
  • 165.140.171.124 ↩ mx.paubox.com
  • 165.140.171.164 ↩ mx.paubox.com
  • 165.140.171.189 ↩ mx.paubox.com
  • 165.140.171.111 ↩ mx.paubox.com
  • 165.140.171.169 ↩ mx.paubox.com
  • 165.140.171.155 ↩ mx.paubox.com
  • 165.140.171.18 ↩ mx.paubox.com
  • 165.140.171.101
  • 165.140.171.199
  • 165.140.171.143

SOA Record

Raw SOA ns69.domaincontrol.com dns.jomax.net 2025092000 28800 7200 604800 600
Primary NS (mname)
ns69.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025092000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns69.domaincontrol.com
ns70.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.paubox.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

8 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.paubox.com -all
  • google-site-verification=hH_VanJxaWmfQE3W-JKXNhaQF-0jg9BD7GPdUbxySnY
  • v=verifydomain MS=3721742
  • prowly-verification=a627d7b6ceaa753a7c1056f4d04b684beeddb93d7fbe034b04a516ddcc16d496
  • knowbe4-site-verification=3592021fc9c3db0b5107cbc8cdc22b12
  • 33B2B1CABF
  • docusign=71f1e436-54eb-4fcc-a2e5-ff48ccadc161
  • geppdv10ghuunuu6bijcvidbgl
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